Home / 3,828.58-5,742.89-1,363.49

Finding the Fourth Proportional to 3,828.58, 5,742.89 and 1,363.49

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Solution

The fourth proportional to 3,828.58, 5,742.89 and 1,363.49 is: 2,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.58 : 5,742.89 = 1,363.49 : x
  2. Step 2: Convert to fraction form
    3,828.58/5,742.89 = 1,363.49/x
  3. Step 3: Cross multiply
    3,828.58x = 5,742.89 × 1,363.49
  4. Step 4: Simplify right side
    3,828.58x = 7,830,373.09
  5. Step 5: Solve for x
    x = 7,830,373.09/3,828.58
  6. Step 6: Final answer
    x = 2,045.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.